JP2015520920A5 - - Google Patents

Claims (13)

Body,
A first light source unit and a second light source unit disposed on the body and arranged symmetrically with respect to a central axis of the body;
A first light guide disposed on the first light source and coupled to the body;
A second light guide disposed on the second light source and coupled to the body;
Including
The first light guide unit and the second light guide unit are arranged to be symmetric with respect to a central axis of the body,
The respective thicknesses of the first light guide portion and the second light guide section, Ri a thin toward the other side from the one side,
The body has a first surface on which the first light source unit is arranged and a second surface on which the second light source unit is arranged,
An illumination device in which an angle between the first surface and the second surface and a central axis of the body is an acute angle . The lighting device according to claim 1, wherein one side portion of the first light guide plate has at least one curved surface portion on which light from the light emitting element is incident. The lighting device according to claim 2, wherein the curved surface portion totally reflects light from the light emitting element. The lighting device according to claim 2, wherein the curved surface portion includes a prism structure for transmitting a part of the light from the light emitting element. The lighting device according to claim 2, wherein the curved portion transmits a part of light from the light emitting element. 6. The illumination device according to claim 4, further comprising a cover that is disposed under one side of the first light guide plate and the second light guide plate and transmits light from the curved surface portion. The cover part is an opaque material,
The lighting device according to claim 6, wherein the cover includes a light transmission plate for transmitting light from the curved surface portion. The body includes a first storage unit that stores the first light source unit, and a second storage unit that stores the second light source unit,
The said 1st accommodating part accommodates the one side part of the said 1st light guide part, The said 2nd accommodating part accommodates the one side part of the said 2nd light guide part, The any one of Claims 1-7 The lighting device according to one item . A first fixing plate disposed in the first storage unit and disposed between the first light source unit and the body;
A second fixing plate disposed in the second storage unit and disposed between the second light source unit and the body;
It said body has a coupling part which is coupled with the first fixed plate and said one side of the second fixing plate, the lighting device according to claim 8.
The first light guide has a section arranged between one side of the first light guide and the other side;
The lighting device according to any one of claims 1 to 9 , wherein the thickness of the one section becomes thinner from one side of the first light guide unit toward the other side. An optical unit disposed on at least one of the upper surface and the lower surface of the first light guide unit to adjust a light distribution pattern or a light distribution ratio of light emitted from the upper surface and the lower surface of the first light guide unit; Furthermore, the illuminating device as described in any one of Claims 1-10 containing. The illumination device according to claim 11 , wherein the optical unit has a printed pattern or a prism structure. A reflection unit disposed on at least one of the upper surface, the lower surface, and the plurality of side surfaces of the first light guide unit;
The lighting device according to any one of claims 1 to 12 , wherein the reflection unit is disposed on one side surface of the first light guide unit.